Research progress of additive manufacturing gradient materials
Functional gradient materials with continuous change of composition are widely used in military,aero-space and automotive fields. However,the functional gradient materials prepared by traditional methods have large metallurgical defects,which restricts the performance and application of materials. As a new manufacturing technology,additive manufacturing can effectively solve the gradient material forming problem. An overview of additive manufacturing gradient materials are given,the main techniques of these materials are summarized,their microstructure and properties,and the future research prospects in this field are discussed.
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